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  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
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  <body>
    <script>
      // const str2 = `hello
      // jack`;

      // \t

      const str1 = "hello \n jack ' \t !! 😍 \u{1F601} 😁  \\ ";

      console.log(str1);
    </script>
  </body>
</html>
